MESON Chess Problem Database
Problem Display
PID: 32360 (4R3/1p5n/1K1p4/QN1k4/3N4/8/1q6/n4BB1 w - - 0 1)
Buchwald, Julius
3rd HM., BCPS 004. Ty., 1927
#2
7 + 6
| 56 | The Problemist | 1928 |
| 5759 | Selected Compositions of Julius Buchwald | 2005 |
SOLUTION
- SOUND
- Sets
- 1...Qc1
- 2.Sc3#
- 2.Sc7#
- 1...Qa3
- 2.Sxa3#
- 2.Sc3#
- 2.Sc7#
- 1...Qc3
- 2.Sxc3#
- 2.Sc7#
- 1...Qxd4+
- 2.Sxd4#
- 1...Qa2
- 2.Sa3#
- 2.Sc3#
- 2.Sc7#
- 1...Qc2
- 2.Sc3#
- 2.Sc7#
- 1...Qd2
- 2.Sc3#
- 2.Sc7#
- 1...Qg2
- 2.Sa3#
- 2.Sc3#
- 2.Sa7#
- 2.Sc7#
- 1...Qh2
- 2.Sa3#
- 2.Sc3#
- 2.Sa7#
- 2.Sc7#
- 1...Qxb5+
- 2.Qxb5#
- 1...Sb3
- 2.Sc3#
- 2.Sc7#
- 1...Qc1
- Tries
- 1.Bg2+?
- 1...Qxg2
- 2.Sa3#
- 1...Kc4!
- 1...Qxg2
- 1.Qc3?
- threat
- 2.Bc4#
- 2.Qf3#
- 2.Qc4#
- 1...Qxc3
- 2.Sxc3#
- 1...Qb3
- 2.Bg2#
- 1...Qc1
- 2.Sc7#
- 2.Bg2#
- 2.Bc4#
- 2.Qf3#
- 1...Qa3
- 2.Sc7#
- 2.Bg2#
- 2.Bc4#
- 2.Qc4#
- 1...Qb1
- 2.Bc4#
- 2.Qc4#
- 1...Qa2
- 2.Sc7#
- 2.Qf3#
- 1...Qc2
- 2.Sc7#
- 2.Bc4#
- 1...Qe2
- 2.Sc7#
- 1...Qf2
- 2.Sc7#
- 2.Bc4#
- 2.Qc4#
- 1...Qg2
- 2.Sc7#
- 2.Bxg2#
- 2.Bc4#
- 2.Qc4#
- 1...Qb4
- 2.Bg2#
- 2.Qf3#
- 1...Sg5
- 2.Bc4#
- 2.Qc4#
- 1...Sf6
- 2.Bc4#
- 2.Qc4#
- 1...Qxb5+!
- threat
- 1.Qb4?
- threat
- 2.Sc7#
- 2.Bc4#
- 2.Qxd6#
- 2.Qc4#
- 1...Qxd4+
- 2.Qxd4#
- 1...Qb3
- 2.Sc7#
- 2.Qxd6#
- 1...Qc1
- 2.Bg2#
- 2.Qxd6#
- 1...Qa3
- 2.Sc7#
- 2.Bc4#
- 2.Qc4#
- 1...Qc3
- 2.Sxc3#
- 2.Qxd6#
- 1...Qa2
- 2.Sc3#
- 2.Sc7#
- 2.Qxd6#
- 1...Qc2
- 2.Qxd6#
- 1...Qe2
- 2.Sc3#
- 2.Sc7#
- 1...Qh2
- 2.Sc3#
- 2.Sc7#
- 2.Bc4#
- 2.Qc4#
- 1...Qxb4!
- threat
- 1.Qa2+?
- 1...Qxa2
- 2.Sc3#
- 2.Sc7#
- 1...Sb3
- 2.Sc7#
- 1...Qb3!
- 1...Qxa2
- 1.Bg2+?
- Keys
- 1.Qd2!
- 1...Qxd4+
- 2.Qxd4#
- 1...Qxb5+
- 2.Sxb5#
- 1...Qxd2
- 2.Sc7#
- 1...Qb3
- 2.Sxb3#
- 1...Qc1
- 2.Qg2#
- 1...Qa3
- 2.Sb3#
- 2.Sc7#
- 1...Qc3
- 2.Sxc3#
- 1...Qb1
- 2.Sc2#
- 1...Qa2
- 2.Sc2#
- 2.Sc3#
- 2.Sc7#
- 1...Qc2
- 2.Sxc2#
- 1...Qb4
- 2.Qg2#
- 1...Sc2
- 2.Qg2#
- 1...Sb3
- 2.Sc7#
- 1...Sg5
- 2.Qxg5#
- 1...Sf6
- 2.Qg5#
- 1...Sf8
- 2.Qg5#
- 1...Qxd4+
- 1.Qd2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 2
- ADDED MATES = 12
- REMOVED MATES = 0
- Sets
- Q(b);CHECK,N_PINS(E),XS(C)::QAR(D)+S(E),XQ(b)
- Q(b);CHECK,OGATE,P_SPINQ(b),XS(E)::QAR2(D),XQ(b)
- Tries
- Try
- B(A);CHECK
- Vars
- Q(b);N_PINS(E),XB(A)::QAR(D)+S(E)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(D);
- Threat
- DUALS(3)
- Vars
- Q(b);N_PINS(E),XQ(D)::S(E),XQ(b)
- Q(b);N_GUARD::B(A)
- Q(b);N_PINS(E)::S(E)
- Refutation
- Q(b);CHECK,XS(E)
- Try
- Q(D);N_SPINS(E)
- Threat
- DUALS(4)
- Vars
- Q(b);CHECK,OGATE,XS(C)::QAR1(D),XQ(b)
- Q(b);::QAR1(D),XP(d)
- Refutation
- Q(b);P_PINS(E),XQ(D)
- Try
- Q(D);CHECK
- Vars
- S(a);N_PINS(E),P_SPINS(a)::S(E)
- Refutation
- Q(b);P_SPINQ(b)
- Try
- Actual
- Q(D);
- Vars
- Q(b);CHECK,N_PINS(E),OGATE,P_SPINQ(b),XS(C)::QAR1(D),XQ(b)
- Q(b);CHECK,XS(E)::QAR(D)+S(C),XQ(b)
- Q(b);N_PINS(E),XQ(D)::S(E)
- Q(b);N_GUARD::QAR(D)+S(C),XQ(b)
- Q(b);N_GUARD,N_PINS(E)::QAB(D)
- Q(b);N_PINS(E)::S(E),XQ(b)
- Q(b);N_GUARD::QAR(D)+S(C)
- Q(b);N_GUARD,N_PINS(E)::QAR(D)+S(C),XQ(b)
- Q(b);N_GUARD::QAB(D)
- S(a);S_CUTQ(b)::QAB(D)
- S(a);N_PINS(E)::S(E)
- S(f);N_GUARD::QAR(D),XS(f)
- S(f);N_GUARD::QAR(D)
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